<< >> NASA ASRS Report 559699, September 2002

The PIC of a dhc-8 commuter flight strays into R2307 while detouring a level 4 thunderstorm on J-2, 20 mi east of bza, az.

Attributes
ACN	559699
Time
Date	200209
Day	Tue
Local Time Of Day	0601 To 1200
Place
Locale Reference	navaid : bza.vortac
State Reference	AZ
Altitude	msl single value : 22000
Environment
Flight Conditions	IMC
Weather Elements	Thunderstorm
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zab.artcc
Operator	common carrier : air carrier
Make Model Name	Dash 8-200
Operating Under FAR Part	Part 121
Flight Phase	cruise : level
Route In Use	enroute airway : j2.airway
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : atp
Experience	flight time last 90 days : 140 flight time total : 5000 flight time type : 2000
ASRS Report	559699
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	airspace violation : entry inflight encounter : weather non adherence : clearance non adherence : far other anomaly other other spatial deviation
Independent Detector	other controllera
Resolutory Action	none taken : detected after the fact
Consequence	faa : reviewed incident with flight crew
Supplementary
Problem Areas	ATC Human Performance Airspace Structure Weather Flight Crew Human Performance Environmental Factor
Primary Problem	Weather
Air Traffic Incident	Inter Facility Coordination Failure Pilot Deviation

Narrative:

Flight on J-2 airway, wbound, restr airspace R2311 and R2307 on both sides of airway approximately very narrow airway. Level 3-6 thunderstorms on airway. We weren't permitted by ATC to deviate on either side. Flight turned 6 degrees to the wnw for 30 seconds and ATC said nothing. Flight turned back on course. Apparently, we drifted off course into some active restr airspace. (Last yr ATC forced me in a box thunderstorms, border, restr airspace. I was forced to declare an emergency and return to yuma.) I wish ATC could give us a heads up sometimes on these sits and let us know what's ahead or notify the military in the airspace to be aware of the situation of an airline or commuter plane in the area due to the strong or severe thunderstorms.

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Original NASA ASRS Text

Title: THE PIC OF A DHC-8 COMMUTER FLT STRAYS INTO R2307 WHILE DETOURING A LEVEL 4 TSTM ON J-2, 20 MI E OF BZA, AZ.

Narrative: FLT ON J-2 AIRWAY, WBOUND, RESTR AIRSPACE R2311 AND R2307 ON BOTH SIDES OF AIRWAY APPROX VERY NARROW AIRWAY. LEVEL 3-6 TSTMS ON AIRWAY. WE WEREN'T PERMITTED BY ATC TO DEVIATE ON EITHER SIDE. FLT TURNED 6 DEGS TO THE WNW FOR 30 SECONDS AND ATC SAID NOTHING. FLT TURNED BACK ON COURSE. APPARENTLY, WE DRIFTED OFF COURSE INTO SOME ACTIVE RESTR AIRSPACE. (LAST YR ATC FORCED ME IN A BOX TSTMS, BORDER, RESTR AIRSPACE. I WAS FORCED TO DECLARE AN EMER AND RETURN TO YUMA.) I WISH ATC COULD GIVE US A HEADS UP SOMETIMES ON THESE SITS AND LET US KNOW WHAT'S AHEAD OR NOTIFY THE MIL IN THE AIRSPACE TO BE AWARE OF THE SIT OF AN AIRLINE OR COMMUTER PLANE IN THE AREA DUE TO THE STRONG OR SEVERE TSTMS.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.